Finding the Fourth Proportional to 719,496.11, 1,078,024.73 and 434,588.09
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Solution
The fourth proportional to 719,496.11, 1,078,024.73 and 434,588.09 is: 651,145.56
Step by Step Solution
- Step 1: Write the proportion equation
719,496.11 : 1,078,024.73 = 434,588.09 : x - Step 2: Convert to fraction form
719,496.11/1,078,024.73 = 434,588.09/x - Step 3: Cross multiply
719,496.11x = 1,078,024.73 × 434,588.09 - Step 4: Simplify right side
719,496.11x = 468,496,700,820.40 - Step 5: Solve for x
x = 468,496,700,820.40/719,496.11 - Step 6: Final answer
x = 651,145.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.